Over 140 people did their time on spinning bikes at Penrith Leisure Centre to raise money for Cumbria's Teenage Cancer Trust.
They cycled the equivalent of the Tour de France in 24 hours.
Their hard work has raised over £1500, which will be used to support more teenagers-only wards in cancer units.
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M.Y Lady of the Lake launched on Ullswater in 1887 and continues to ferry passengers around the lake, 140 years on.
The marsh fritillary butterfly became extinct in the county over ten years ago.
A number of roadworks have been scheduled to take place across the region this week.